<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<div id="app">
			<h2>{{fullName}}</h2>
		</div>
		<script src="../js/vue.js"></script>
		<script>
			const app=new Vue({
				el:'#app',
				data:{
					firstName:'kobe',
					lastName:'Bryant'
				},
				computed:{
					// fullName(){
					// 	return this.firstName+' '+this.lastName;
					// }
					//计算属性一般没有set方法,只读属性
					fullName:{
						set(newValue){
							console.log('-----',newValue);
							const names=newValue.split(' ');
							this.firstName=names[0];
							this.lastName=names[1];
						}, 
						get(){
							return this.firstName+' '+this.lastName;
						}
					},
					/* fullName(){
						return this.firstName+' '+this.lastName;
					} */
				}
			})
		</script>
	</body>
</html>
